Toothbrush having counter-rotating heads

Details Toothbrush having counter-rotating heads Toothbrush having counter-rotating heads

2005-10-13

2008-01-08

Spisich, Mark (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

Brushing

Reexamination Certificate

active

07316044

ABSTRACT:
An electric toothbrush has bristle heads that rotate counter to each other. The toothbrush operates from a battery stored in the handle section of the toothbrush.

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